15251663125452 has 24 divisors (see below), whose sum is σ = 38324691956656. Its totient is φ = 4692819423168.

The previous prime is 15251663125381. The next prime is 15251663125459. The reversal of 15251663125452 is 25452136615251.

It is a super-2 number, since 2×15251663125452² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15251663125459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48883535503 + ... + 48883535814.

Almost surely, 2^{15251663125452} is an apocalyptic number.

15251663125452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15251663125452 is an abundant number, since it is smaller than the sum of its proper divisors (23073028831204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15251663125452 is a wasteful number, since it uses less digits than its factorization.

15251663125452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97767071337 (or 97767071335 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 48.

The spelling of 15251663125452 in words is "fifteen trillion, two hundred fifty-one billion, six hundred sixty-three million, one hundred twenty-five thousand, four hundred fifty-two".